Color

#59a8fc

#59a8fc
hex#59a8fc
rgbrgb(89, 168, 252)
hslhsl(211, 96%, 67%)
oklchoklch(0.718 0.146 251.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.3716

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fcae5a

#5af9fc · #5d5afc

#fc5aa8 · #a8fc5a

Split-complementary

Open in tool →

#fc5d5a · #f9fc5a

#fc5af9 · #fcae5a · #5afc5d

Contrast

#59a8fc as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #0572e6 as the text (4.61:1)
  • AAA: use #0456af as the text (7.11:1)
  • AA: or shift the background to #383838 (4.71:1)
  • AAA: or shift the background to #171717 (7.2:1)
Aaon black
8.43:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59a8fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#59a8fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59a8fc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #59a8fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a8fc-9cabc4-df534e-1f202d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md